Samba up to 4.15.4 SMB1 with Unix Extensions information disclosure

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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3.9$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Samba up to 4.15.4. Impacted is an unknown function of the component SMB1 with Unix Extensions. Performing a manipulation results in information disclosure. This vulnerability is known as CVE-2021-44141. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Samba up to 4.15.4 (File Transfer Software). It has been classified as problematic. This affects some unknown processing of the component SMB1 with Unix Extensions. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality.

The weakness was published 02/21/2022. The advisory is shared at samba.org. This vulnerability is uniquely identified as CVE-2021-44141 since 11/22/2021. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 236698 (Alibaba Cloud Linux 3 : 0176: samba (ALINUX3-SA-2022:0176)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.15.5 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (236698). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.9

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 236698
Nessus Name: Alibaba Cloud Linux 3 : 0176: samba (ALINUX3-SA-2022:0176)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Samba 4.15.5

Timelineinfo

11/22/2021 🔍
02/21/2022 +91 days 🔍
02/21/2022 +0 days 🔍
05/17/2025 +1181 days 🔍

Sourcesinfo

Product: samba.org

Advisory: samba.org
Status: Confirmed

CVE: CVE-2021-44141 (🔍)
GCVE (CVE): GCVE-0-2021-44141
GCVE (VulDB): GCVE-100-193605

Entryinfo

Created: 02/21/2022 21:31
Updated: 05/17/2025 16:09
Changes: 02/21/2022 21:31 (39), 02/25/2022 13:03 (1), 02/25/2022 13:10 (18), 05/17/2025 16:09 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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